The wing folding mechanism for a Grumman TBF Avenger. I took this at the 2009 Chino Planes of Fame airshow. May 2015 : r/WWIIplanes
Corsair Folding Wing Mechanism - Model Airplane News
F4U Corsair Wing-Folding Demonstration and Taxiing - YouTube
Designing the Bent-Wing Bird | Naval History Magazine - February 1995 Volume 9 Number 1
F4U-1D Corsair 1:4.5
Chance Vought Corsair F4U-5N | Warbirds Online
Why was the WWII fighter F4U Corsair used a set of wings that bends downward and then upward? And why this design never used again in future airplane designs? - Quora